EP1532908B1 - Salamandre - Google Patents
Salamandre Download PDFInfo
- Publication number
- EP1532908B1 EP1532908B1 EP04026910A EP04026910A EP1532908B1 EP 1532908 B1 EP1532908 B1 EP 1532908B1 EP 04026910 A EP04026910 A EP 04026910A EP 04026910 A EP04026910 A EP 04026910A EP 1532908 B1 EP1532908 B1 EP 1532908B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- salamander
- heating element
- heating device
- radiant heating
- type heating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 241000269333 Caudata Species 0.000 title description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 44
- 230000005484 gravity Effects 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 2
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 238000013459 approach Methods 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000003570 air Substances 0.000 description 14
- 239000010410 layer Substances 0.000 description 8
- 238000013461 design Methods 0.000 description 6
- 230000005855 radiation Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 235000013305 food Nutrition 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 241001237745 Salamis Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 235000021170 buffet Nutrition 0.000 description 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 235000015175 salami Nutrition 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
- A47J37/0623—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity
- A47J37/0629—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity with electric heating elements
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
- A47J37/0605—Roasters; Grills; Sandwich grills specially adapted for "raclettes"
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
- A47J37/0623—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity
- A47J37/0647—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity with gas burners
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
- A47J37/0611—Roasters; Grills; Sandwich grills the food being cooked between two heating plates, e.g. waffle-irons
- A47J2037/0617—Roasters; Grills; Sandwich grills the food being cooked between two heating plates, e.g. waffle-irons with means to adjust the distance between heating plates
Definitions
- the invention relates to a salamander, consisting of a bottom part, a support column and a radiant heater, which is mounted vertically adjustable on the support column.
- Such salamanders are mainly used in restaurant kitchens. They are used for keeping warm and heating food, as well as for gratinating, gratinating, browning and the like.
- the radiant heater is mounted in height adjustable salamander in general.
- Examples of such salamanders with adjustable heater are in the DE utility models 296 10 240 . 297 14 039 and the German Offenlegungsschrift 35 22 209 described.
- the heating is generally carried out electrically; but it is also a gas heating possible.
- a radiant heater for raclette has become known, which is mounted vertically adjustable above its center, so that it can be moved approximately along a vertical through the center of gravity of the radiant heater.
- the present invention is based on the object to improve the known salamanders to the effect that they are characterized by higher ease of use. In particular, the height adjustment of the radiant heater should be facilitated.
- the radiant heater is at least partially surrounded by frame parts at its outer periphery, which are distanced by approximately vertically continuous air gaps from the radiant heater and that handles for height adjustment of the radiant heater are arranged on these frame parts.
- the heating elements arranged in the radiant heater reach temperatures of about 700 ° C. to about 800 ° C. Therefore, there is a strong heat flow to the outside to the handle area.
- the handle is also heated by heat radiation, which is reflected by the lower bottom part.
- This double heating is now considerably reduced by the measures according to the invention, because the air gap formed between radiant heater and frame generates a constant flow of cooling air due to thermal convection.
- the frame thus remains at a maximum temperature of 150 ° C even during long periods of operation. Accordingly, there is also a significant reduction in temperature on the handle itself.
- the lower edge of the handle is offset relative to the lower edge of the first frame upwards.
- the first frame generates with its lower region a radiation shadow for the radiation reflected from the bottom part, the handle is thus exposed to this radiation much less and consequently can absorb only less heat.
- the attachment of the first frame and the handle or the second frame should be understood to be made so that the heat flow from the radiant heater to the frame and the handle is minimized.
- fixing pins with a small cross-section and made of poorly heat-conductive material can be used, in particular separate fixing pins for the first and the second frame. Due to the high cooling effect through the two air gaps but also a simpler mounting option can be applied by means of the radiant heater to the second frame continuous mounting pins, so that both frames are mounted together by the same mounting pins.
- the storage of the radiant heater is arranged on the support column at least approximately in a vertical direction through the center of gravity of the radiant heater.
- the support column the first as before the side of the radiant heater projects upwards, having an approximately transverse arm which extends into an area approximately above the center of gravity of the radiant heater and there has the storage for the radiant heater.
- the support column can thus be made very narrow and allows virtually a four-sided access with plates, plates, etc. to salamander.
- the bottom part has a support plate with a multi-layer, in particular dreilagigem structure and at least the intermediate layer consists of a material of high thermal conductivity, in particular an aluminum or copper alloy.
- This multi-layered structure is based on the knowledge that the previous support plates experience a curvature due to the one-sided acting from above heating. This is inventively avoided that the top and bottom of the support plate are connected together good heat conduction, so that the temperature difference between the two sides is so small that the plate remains practically flat.
- the outer layers of the support plate expediently each consist of a material with at least approximately the same coefficient of thermal expansion, in particular of a chromium-nickel steel, so that high wear resistance is ensured.
- the support plate which indeed serves to hold the food, emits as little heat down as possible, it is recommended that it is arranged distanced to the bottom part.
- the bottom part So that the heat flow from the bottom part to its footprint -in general a table or buffet plate- is minimized, it is recommended that the bottom part also has on its underside foot elements for distancing.
- the bottom part is slightly larger than the support plate so that it protrudes slightly on all sides, such that it corresponds to the outer contour of the second frame.
- Another development of the invention relates to salamanders, in which the height adjustment of the radiant heater via a motor Hubantrieb.
- This linear actuator is usually designed so that by pressing a button the heater is moved either up or down.
- the present invention is now based on the fact that the motorized lifting drive reacts too slowly in certain situations. For example, if a dish is being gratinated and the gratin process is finished earlier than expected, the dish will begin to burn and it would be desirable to have the radiant heater position corrected, i.e., from the gratin position to the hot hold position. Such a quick height adjustment is not possible with the motor Hubantrieben. Therefore, according to the invention, a slip clutch is arranged between the lifting drive and the radiant heater.
- the slip clutch should be dimensioned so that it transmits a frictional force that is easily enough for the normal motorized adjustment of the radiant heater, but slips at slightly higher forces, so that at any time a manual correction of the radiator position is possible.
- the slip clutch be formed by a belt drive, ie a pulley and a belt, wherein the belt is attached on the one hand to the radiant heater, on the other hand to a clamping element, namely a weight, a spring or the like.
- a belt drive ie a pulley and a belt
- the belt is attached on the one hand to the radiant heater, on the other hand to a clamping element, namely a weight, a spring or the like.
- the lifting drive to an automatic program control, such as in the way that when pressing a start button, the lifting drive automatically moves the spotlight to a predefined height and turns on the heater.
- the heater switches, for example, back to keep warm and the lifting drive moves the spotlight in the warm holding position upwards.
- the service personnel recognizes from the holding position of the reflector, preferably also from acoustic signals that are automatically delivered from the salamander that the dish is ready and the plate can be removed.
- the controller deactivates the heating if necessary.
- the assignment between the lifting drive and the position of the radiator can be quickly realized, it is recommended that the calibration position coincides with one end of the stroke, so approximately corresponds to the upper or lower stroke position.
- the emitter then only needs to travel in one direction to reach the calibration position.
- the salamander consists of a lower bottom part 1 with an approximately rectangular basic shape. Outside this basic form a support column 2, which is fixedly connected to the bottom part 1, runs upwards, wherein it has at the top an approximately transversely extending arm 2 a which extends into the area above the bottom part 1. Approximately above the center of the bottom part 1, the arm 2a carries a vertically extending bearing housing 3. This bearing housing is open at the bottom and there receives a guide rod 4 which is fixedly connected to a radiant heater 5.
- the vertically displaceable mounting of the guide rod 4 in the bearing housing 3 is positioned at least approximately above the center of gravity of the radiant heater 5.
- the storage of the radiant heater 5 is characterized wholly or at least largely free of tilting moments and is accordingly low friction, so that it requires only small actuating forces to move the radiant heater 5 vertically.
- the bottom part 1 carries on its upper side a support plate 6.
- This support plate serves as a support for the food to be heated. It is not directly on the bottom part 1, but is distanced over terminal foot elements 6 a opposite him. As a result, the heat flow from the support plate 6 to the bottom plate 1 is considerably reduced.
- the bottom part 1 is about foot elements 1a on its base and is opposite to the support plate 6 on all sides horizontally.
- the gallows-like narrow design of the support column 2 has the advantage that the salamander is well accessible on all sides.
- the plate-like radiant heater 5, the inside of its outer jacket 5c above an insulation 5a and below a plurality of electric heating rods 5b carries, surrounded on its outer side by a first frame 7.
- This frame 7 runs at the same height as the heating plate 5 around it, but spaced horizontally to him, so that an all-round space in the form of a vertical air gap 8 is formed.
- This air gap 8 is open at the top and bottom and is interrupted locally only in a few places, namely where the frame 7 is attached to the radiant heater 5.
- the frame 7 is surrounded by a second frame 9, and likewise horizontally spaced, so that again on all sides a circumferential vertical air gap 10 is formed. Also, this air gap 10 is interrupted only where the second frame 9 is connected to the first frame 7. However, it is of course not mandatory that both frames run around without interruption to the entire circumference of the radiant heater 5.
- the second frame 9 acts as a handle for the height adjustment of the radiant heater 5. He is, as Figure 2 shows, offset with its lower edge opposite the lower edge of the first frame 7 upwards. As a result, the lower part of the frame 7 forms a shield against the heat radiation reflected from the platen 6, i.
- the handle lies as far as possible in the radiation shadow of the first frame 7, especially as it extends on a more outer periphery than the outer edge of the support plate 6, namely approximately aligned with the outer edge of the bottom part. 1
- the support plate 6 has a three-layer structure, namely two outer layers 16 of the same material, preferably stainless steel and an intermediate layer, which is characterized by high thermal conductivity.
- this liner has a much greater wall thickness than the two outer layers. As a result, the two outer layers are kept at a similar temperature level and the support plate 6 remains flat even at high temperature.
- a single-layer design preferably made of stainless steel, is sufficient. It is either directly on the lower cross struts of the support column 2 or as in the embodiment via intermediate foot elements 1a.
- the belt drive but also acts as a slip clutch, because it is always possible to move the heater manually, then the belt slip over the stationary pulleys.
- a permanent magnet 17a is mounted in the embodiment on the guide rod 4, which corresponds to a fixedly mounted proximity switch 17b.
- the position of the switching elements 17a and 17b is selected so that the calibration takes place respectively in the upper position of the radiant heater, that is, at the beginning of an automatic adjustment, the motor 12 first moves the radiant heater into the upper end position until the switching elements 17a and 17b speak to.
- the switching elements can also be arranged on the belt 14a or 14b on the one hand and the corresponding pulley 13a or 13b on the other hand, wherein the pulley then slips on the located in the stop position belt until the calibration position is reached.
- Figure 2 illustrates the Hublagerung the radiant heater in the form of a socket 11 which is mounted on the arm 2a of the support column, above the center of gravity of the radiant heater 5.
- This bushing 11 surrounds the guide rod 4 with the interposition of a ball bearing not shown and allows its low-friction height adjustment.
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Electric Stoves And Ranges (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Resistance Heating (AREA)
- Furnace Details (AREA)
Claims (15)
- Salamandre composée d'une partie de base (1), d'une colonne porteuse (2) et d'un radiateur de chauffage (5) qui est monté de manière réglable en hauteur sur la colonne porteuse (2),
caractérisée en ce
que le radiateur de chauffage (5) est entouré sur son pourtour extérieur, au moins partiellement, de pièces de cadre (7) qui sont tenues à distance du radiateur de chauffage (5) par des fentes d'aération (8) traversantes approximativement verticalement et que des poignées (9) permettant le réglage en hauteur du radiateur de chauffage (5) sont disposées sur ces pièces de cadre (7). - Salamandre selon la revendication 1,
caractérisée en ce
que les poignées (9) sont formées par des deuxièmes pièces de cadre qui sont tenues à distance des premières pièces de cadre (7) par une fente d'aération (10) traversante approximativement verticalement. - Salamandre selon la revendication 2,
caractérisée en ce
que les premières pièces de cadre (7) et/ou les deuxièmes pièces de cadre (9) se réunissent chaque fois en un cadre périphérique qui s'étend de préférence sur tout le pourtour du radiateur de chauffage (5). - Salamandre selon la revendication 1 ou 2,
caractérisée en ce
que le bord inférieur des deuxièmes pièces de cadre (9) est décalé vers le haut par rapport au bord inférieur des premières pièces de cadre (7). - Salamandre selon la revendication 1,
caractérisée en ce
que le logement (11) du radiateur de chauffage (5) sur la colonne porteuse (2) est disposé au moins approximativement sur une verticale passant par le centre de gravité du radiateur de chauffage (5). - Salamandre selon la revendication 5,
caractérisée en ce
que le logement (11) du radiateur de chauffage (5) sur la colonne porteuse (2) est disposé approximativement au-dessus du centre du radiateur de chauffage (5). - Salamandre selon la revendication 5,
caractérisée en ce
que la colonne porteuse (2) présente au-dessus du radiateur de chauffage (5) un bras (2a) approximativement transversal qui s'étend dans une zone située approximativement au-dessus du centre de gravité du radiateur de chauffage (5) et présente à cet endroit le logement (11) pour le radiateur de chauffage (5). - Salamandre selon la revendication 1,
caractérisée en ce
que la partie de base (1) porte une plaque d'appui (6) à structure multicouche et au moins la couche intermédiaire (26) est constituée d'un métal à haute conductibilité thermique, en particulier d'un alliage d'aluminium ou de cuivre. - Salamandre selon la revendication 8,
caractérisée en ce
que la partie de base (1) dépasse latéralement par rapport à la plaque d'appui (6), en particulier correspond approximativement au contour extérieur des deuxièmes pièces de cadre (9). - Salamandre selon la revendication 1, dans laquelle le réglage en hauteur du radiateur de chauffage (5) est réalisé par un entraînement de levage à moteur (12),
caractérisée en ce
qu'un embrayage à friction (13a, b/14a, b) est disposé entre l'entraînement de levage (12) et le radiateur de chauffage (5). - Salamandre selon la revendication 10,
caractérisée en ce
que l'embrayage à friction (13a, b/14a, b) est formé par une transmission par courroie. - Salamandre selon la revendication 10,
caractérisée en ce
que l'embrayage à friction est constitué d'une poulie (13a, b) et d'une courroie (14a, b), la courroie (14a, b) étant fixée d'une part au radiateur de chauffage (5), d'autre part à un élément de tension (15). - Salamandre selon la revendication 10,
caractérisée en ce
que l'entraînement de levage (12) est raccordé à une commande par programme automatique qui commande la durée de chauffage et/ou l'intensité de chauffage et/ou la position de levage du radiateur de chauffage et permet, en particulier, la programmation de différents modes de fonctionnement successifs. - Salamandre selon la revendication 10,
caractérisée en ce
que, en cas de commande par programme automatique de la salamandre, l'entraînement de levage (12) rejoint d'abord une position d'étalonnage du radiateur de chauffage (5). - Salamandre selon la revendication 14,
caractérisée en ce
que la position d'étalonnage correspond à une fin de la course de levage du radiateur de chauffage (5).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10354127A DE10354127A1 (de) | 2003-11-19 | 2003-11-19 | Salamander |
| DE10354127 | 2003-11-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1532908A1 EP1532908A1 (fr) | 2005-05-25 |
| EP1532908B1 true EP1532908B1 (fr) | 2007-07-18 |
Family
ID=34428808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP04026910A Expired - Lifetime EP1532908B1 (fr) | 2003-11-19 | 2004-11-12 | Salamandre |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1532908B1 (fr) |
| AT (1) | ATE367113T1 (fr) |
| DE (2) | DE10354127A1 (fr) |
| ES (1) | ES2290608T3 (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007038040B3 (de) | 2007-08-10 | 2008-07-03 | Miele & Cie. Kg | Gargerät zur Anordnung an einer im Wesentlichen horizontal verlaufenden Arbeitsplatte oder dergleichen |
| CN102280213B (zh) * | 2011-05-27 | 2012-11-07 | 常熟市豪威富机械制造有限公司 | 导线包覆薄膜高频感应加热装置 |
| DE202012010786U1 (de) * | 2012-11-10 | 2012-11-27 | Hellweg Marketing GmbH | Salamander |
| CH707642A1 (de) * | 2013-02-27 | 2014-08-29 | Mifroma Sa | Grillvorrichtung. |
| DE202017105946U1 (de) * | 2017-09-28 | 2018-01-09 | Reamotion Gmbh | Vorrichtung zum automatisierten Erhitzen und/oder Garen von Lebensmitteln |
| IT202100005990U1 (it) | 2021-12-29 | 2023-06-29 | Moduline Srl | Apparecchiatura per la cottura di alimenti di tipo salamandra con indicizzazione di valori di temperatura |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2198645A (en) * | 1935-07-10 | 1940-04-30 | Silex Co | Electric cooking device |
| FR2114279A5 (fr) * | 1970-11-13 | 1972-06-30 | Zocola Charles | |
| CH610747A5 (en) * | 1977-04-06 | 1979-05-15 | Edwin Aerne | Appliance for grilling and roasting |
| DE58905918D1 (de) * | 1989-08-14 | 1993-11-18 | Neubauer Kurt Maschf | Vorrichtung zum Erhitzen, Erwärmen oder Warmhalten, insbesondere zum Überbacken von Speisen, insbesondere Salamander. |
| FR2687767A1 (fr) * | 1991-10-15 | 1993-08-27 | Jolly Marcel | Appareil pour grillade et cuisson. |
| DE29714039U1 (de) * | 1997-08-06 | 1997-10-02 | Bartscher GmbH, 33154 Salzkotten | Salamander |
| FR2795934A1 (fr) * | 1999-07-05 | 2001-01-12 | Julien Barberet | Dispositif de reglage de l'inclinaison d'un element chauffant pour appareil a fondre les fromages |
| AU7637800A (en) * | 1999-11-12 | 2001-05-30 | Peter Gerster | Device for baking and grilling food and for producing raclettes and gratins |
-
2003
- 2003-11-19 DE DE10354127A patent/DE10354127A1/de not_active Withdrawn
-
2004
- 2004-11-12 DE DE502004004345T patent/DE502004004345D1/de not_active Expired - Lifetime
- 2004-11-12 EP EP04026910A patent/EP1532908B1/fr not_active Expired - Lifetime
- 2004-11-12 ES ES04026910T patent/ES2290608T3/es not_active Expired - Lifetime
- 2004-11-12 AT AT04026910T patent/ATE367113T1/de active
Also Published As
| Publication number | Publication date |
|---|---|
| DE10354127A1 (de) | 2005-06-23 |
| DE502004004345D1 (de) | 2007-08-30 |
| ES2290608T3 (es) | 2008-02-16 |
| EP1532908A1 (fr) | 2005-05-25 |
| ATE367113T1 (de) | 2007-08-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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